.nav-top {
    background: #333;
    height: 48px;
    width: 100%;
  }
  
  .nav-top-mid{
    
    width: 1080px;
    height: 48px;
    margin: 0 auto;
  }
  .nav-top-r {
    width: 550px;
    float: right;
    
    height: 48px;
    line-height: 48px;
    font-size: 14px;
    
  }
  .login{
    width: 80px;
    float: left;
   
  }
  #log1{
    width: 150px;
    color: white;
  }
  #log1 span{
    margin-right: 10px;
  }
  #log1 em{
    color: red;
  }
  .nav-top-r a{
    color: #e7e7e7;
  
  }
  .nav-top-r a:hover{
    color: rgb(246, 246, 246)
  
  }
  .m-line{
    border-right: 1px solid #e7e7e7;
    float: left;
    margin: 17px 3px 0 6px;
    height: 16px;
    
  }
  
  .nav-help{
   float: left;
   width: 56px;
   margin-right: 8px;
   margin-left: 11px;
  }
  .nav-download{
    float: left;
    margin-left: 5px;
    width: 94px;
    text-align: center;
  }
  .nav-p{
    float: left;
    width: 124px;
    margin-left: 5px;
  }
  
  
  .nav-search{
    width: 1080px;
    height: 51px;
    margin: 0 auto;
    
    margin-top: 20px;
    overflow: hidden;
  }
  .s-logo{
    width: 123px;
    height: 51px;
    background: url(../images/logo.png) 50% no-repeat ;
    background-size: 100%;
    float: left;
    
    
  }
  
  .tab-list{
    width: 420px;
    height: 51px;
    line-height: 51px;
    float: left;
    margin-left: 120px;
  }
  .tab-item{
    float: left;
    font-size: 18px;
    margin-right: 32px;
    color: #666;
  }
  .tab-item:hover{
    color: rgb(111, 76, 49);
  }
  
  #btn-s{
    float: right;
    width: 25px;
    height: 25px;
    margin-top: 15px;
    
  }
  #btn-c{
    width: 25px;
    height: 25px;
    font-size: 15px;
  }
  #btn-c:hover{
    color: rgb(111, 76, 49);
  }
  #search-form{
    float: right;
    width: 281px;
    height: 42px;
    line-height: 42px;
    
  }
  
  #btn-search{
    width: 245px;
    height: 32px;
    position: relative;
  }
  
  .search-res {
    position: absolute;
    top: 105px;
    left: 1147px;
    
    width: 245px;
    border: 1px solid #b6b6b6;
    border-top: none;
    
    z-index: 999;
  }

  .search-res li {
    list-style-type: none;
    line-height: 20px;
    padding: 2px 5px;
    border-bottom: 1px solid #b6b6b6;
    background: gray;
    height: 20px;
  }





  #footer{
    height: 132px;
    width: 100%;
    border-top: 1px solid #e7e7e7;
    margin-top: 60px;
    padding-top: 45px;
  }
  #f-con{
    width: 1080px;
    height: 92px;
    margin: 0 auto;
  }
  .f-logo{
    float: left;
    width: 148px;
    height: 45px;
  }
  .f-logo img{
    width: 123px;
    height: 45px;
  }
  .f-r{
    width: 663px;
    height: 92px;
    float: right;
  }
  .f-r-logo img{
    float: right;
    width: 100px;
    height: 36px;
  }
  .f-r ul{
    float: left;
    width: 524px;
    font-size: 12px;
  }
  .f-r ul li{
    margin-top: 5px;
  }



